Although malaria kills approximately 1 million children each year, preventive measures can be effective in limiting the mortality and morbidity associated with malaria. Mosquito bites can be avoided by use of appropriate environmental control and use of protective clothing, bed nets, repellents, and insecticide. Chemoprophylaxis is a mainstay of malaria prevention, and new, effective agents are...

BACKGROUND Guidelines recommend preventive medications for all children with persistent asthma, yet young urban children often receive inadequate therapy. This may occur in part because primary care providers are unaware of the severity of their patients' symptoms. OBJECTIVE To determine whether systematic school-based asthma screening, coupled with primary care provider notification of asthm...

Acknowledgement Sincere appreciation now is expressed to the many volunteer workers and other persons, without whose cooperation and assistance the various aspects of this study would not have been possible, Special thanks are due Dr. Mamie JO Jones, and her staff, of the Georgia Department of Education, Services for Exceptional Children, and to Mrs. Louise Stewart, Executive Secretary, Georgia...

INTRODUCTION Soil-transmitted helminth (STH) infections are predominately controlled by providing children with preventive chemotherapy with either albendazole or mebendazole. However, neither has a high efficacy against Trichuris trichiura. This low efficacy limits the overall effectiveness of the current STH control programmes against T. trichiura. It has been demonstrated that co-administeri...

BACKGROUND Having usual source of care has been associated with improved receipt of preventive services and control of chronic diseases (such as hypertension, diabetes, and hypercholesterolemia). The objective of this study was to examine whether having usual source of care is associated with improved receipt of preventive services and control of chronic diseases. METHODS We searched MEDLINE,...

BACKGROUND Falls in older people are a major public health issue, but the underlying causes are complex. We sought to evaluate the effectiveness of preventive home visits as a multifactorial, individualized strategy to reduce falls in community-dwelling older people. METHODS Data were derived from a prospective randomized controlled trial with follow-up examination after 18 months. Two hundre...

The voltage instability of power system often occurs when the active power on one or more weak branches exceeds its transfer capability. This paper presents a preventive control model for voltage stability using the active power transfer capabilities of weak branches as static voltage stability margin constraints. A local line-based voltage stability index is used to determine the critical cont...